| Clover Coverage Report - FEST Swing 1.2 |
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| ComponentFormatterTemplate | Line # 27 | 6 | 0% | 4 | 0 | 100% |
1.0
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| No Tests | |||
| 1 | /* | |
| 2 | * Created on Dec 23, 2007 | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | |
| 5 | * in compliance with the License. You may obtain a copy of the License at | |
| 6 | * | |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | * | |
| 9 | * Unless required by applicable law or agreed to in writing, software distributed under the License | |
| 10 | * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | |
| 11 | * or implied. See the License for the specific language governing permissions and limitations under | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * Copyright @2007-2010 the original author or authors. | |
| 15 | */ | |
| 16 | package org.fest.swing.format; | |
| 17 | ||
| 18 | import static org.fest.util.Strings.concat; | |
| 19 | ||
| 20 | import java.awt.Component; | |
| 21 | ||
| 22 | /** | |
| 23 | * Understands a template for implementations of <code>{@link ComponentFormatter}</code>. | |
| 24 | * | |
| 25 | * @author Yvonne Wang | |
| 26 | */ | |
| 27 | public abstract class ComponentFormatterTemplate implements ComponentFormatter { | |
| 28 | ||
| 29 | /** | |
| 30 | * Returns the <code>String</code> representation of the given <code>{@link Component}</code>. | |
| 31 | * @param c the given <code>Component</code>. | |
| 32 | * @return the <code>String</code> representation of the given <code>Component</code>. | |
| 33 | * @throws NullPointerException if the given <code>Component</code> is <code>null</code>. | |
| 34 | * @throws IllegalArgumentException if the type of the given <code>Component</code> is not supported by this | |
| 35 | * formatter. | |
| 36 | */ | |
| 37 | 41082 |
 public final String format(Component c) { |
| 38 | 41082 | validateTypeOf(c); |
| 39 | 41073 | return doFormat(c); |
| 40 | } | |
| 41 | ||
| 42 | /** | |
| 43 | * Returns the <code>String</code> representation of the given <code>{@link Component}</code>. | |
| 44 | * @param c the given <code>Component</code>. | |
| 45 | * @return the <code>String</code> representation of the given <code>Component</code>. | |
| 46 | */ | |
| 47 | protected abstract String doFormat(Component c); | |
| 48 | ||
| 49 | 41082 |
private void validateTypeOf(Component c) { |
| 50 | 1 | if (c == null) throw new NullPointerException("The component should not be null"); |
| 51 | 41081 | if (!targetType().isAssignableFrom(c.getClass())) |
| 52 | 8 | throw new IllegalArgumentException(concat("This formatter only supports components of type ", targetType().getName())); |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | } | |
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